Finding the Fourth Proportional to 10,004.83, 13,806.47 and 5,528.48

Step by Step Solution

1. Step 1: Write the proportion equation
   10,004.83 : 13,806.47 = 5,528.48 : x
2. Step 2: Convert to fraction form
   10,004.83/13,806.47 = 5,528.48/x
3. Step 3: Cross multiply
   10,004.83x = 13,806.47 × 5,528.48
4. Step 4: Simplify right side
   10,004.83x = 76,328,841.60
5. Step 5: Solve for x
   x = 76,328,841.60/10,004.83
6. Step 6: Final answer
   x = 7,629.20